Christoph Hertsch
Switzerland (classic and modern issues)
Expert since:
1986
•
AIEP member since:
1998
SVPS; Collectors Club, New York; American Philatelic Society
Zeughausgasse 24
3000
Bern 7
Switzerland
Correspondence:
German, French, English, Spanish
info@briefmarken.ch
++31 3120 055
Personal reference collections:
Access to Zumstein reference collections and library
Personal forgeries collections:
Access to Zumstein reference collections of forgeries
